160521-N-YU572-655 WATERS SURROUNDING THE KOREAN PENINSULA (May 21, 2016) – Gunner’s Mate Seaman Matthew Dennis fires a MK-38 25mm machine gun aboard the guided-missile destroyer USS Momsen (DDG 92) during a bilateral gun exercise with the Republic of Korea. The destroyers USS Spruance (DDG 111), USS Decatur (DDG 73) and Momsen, with embarked “Devil Fish” and “Warbirds” detachments of Helicopter Maritime Strike Squadron (HSM) 49, are deployed as part of a U.S. 3rd Fleet Pacific Surface Action Group (PAC SAG) under Destroyer Squadron (CDS) 31. (U.S. Navy photo by Mass Communication Specialist 1st Class Jay C. Pugh/Released)